package com.huangliusong.lengthoflongestsubstring;

import java.util.HashMap;
import java.util.Map;

/**˜
 * @author huangliusong
 * @since 2019/2/21
 * {@link }
 */
public class ArrayTest {
    public static void main(String[] args) {
        Map map=new HashMap();
        map.put(1,1);
        System.out.println(map);
    }
}
